package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.models.auth.In;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@Api(tags = "菜品相关接口")
@Slf4j
@RequestMapping("/admin/dish")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    //新增菜品
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品，参数为：{}", dishDTO);
        dishService.savewithFlavor(dishDTO);
        //清理变化菜品的分类的缓存数据
        String key="dish_"+dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    //菜品分页查询
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询，参数为：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    //菜品批量删除
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除，参数为：{}", ids);
        dishService.deleteById(ids);
        //清理所有菜品的缓存数据,所有以dish_开头的key
        cleanCache("dish_**");
        return Result.success();
    }

    //菜品起售停售
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result<String> status(@PathVariable Integer status,Long id){
        log.info("菜品起售停售，id：{}, status：{}", id, status);
        dishService.status(status,id);
        //清理所有菜品的缓存数据,所有以dish_开头的key
        cleanCache("dish_**");
        return Result.success();
    }

    //根据id查询菜品
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){   //为什么返回的类型使用DishVO而不是DishDTO 根据接口文档发现后端要成功响应的数据中包含更新时间更新人等信息 而DishDTO没有包含这些信息，所以返回DishVO
        log.info("根据id查询菜品，id：{}", id);
        DishVO dishVO = dishService.getByIdwithFlavor(id);
        return Result.success(dishVO);
    }

    //修改菜品
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品，参数为：{}", dishDTO);
        dishService.update(dishDTO);
        //清理所有菜品的缓存数据,所有以dish_开头的key
        cleanCache("dish_**");
        return Result.success();
    }

    //选择菜品分类中的某个菜品用于套餐分类中新增套餐时选择要新增的菜品
    @GetMapping("/list")
    @ApiOperation("选择菜品分类中的某个菜品")
    public Result<List<Dish>> list(Long categoryId){
        log.info("选择菜品分类中的某个菜品，参数为：{}", categoryId);
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
